US Bridges

Harmans Road over Tributary to Stony Run

Good

Anne Arundel County, Maryland · 0.35 MI N of Md 100 · Structure no. 200000AA2015030

Built
1991
34 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
31 ft
Daily traffic
8,906
2021 count
Owner
County
County Highway Agency

About this bridge

Harmans Road over Tributary to Stony Run is a concrete culvert carrying Harmans Road over Tributary to Stony Run in Anne Arundel County, Maryland. It was built in 1991, so it is 34 years old, younger than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,906 vehicles a day, projected to reach 9,500 by 2045. The structure is 31 ft (9.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesHarmans Road
CrossesTributary to Stony Run
Location0.35 MI N of Md 100
RouteCounty Highway 0
CountyAnne Arundel County
StateMaryland
Coordinates39.15391, -76.70335
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadUnknown
Structure length31 ft (9.5 m)
Longest span2 ft (0.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,906 (2021)
Projected traffic9,500 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Harmans Road over Tributary to Stony Run built?

It was built in 1991, making it 34 years old in 2025.

What condition is Harmans Road over Tributary to Stony Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does Harmans Road over Tributary to Stony Run carry?

About 8,906 vehicles per day (2021 count).

How long is Harmans Road over Tributary to Stony Run?

The structure is 31 ft (9.5 m) long with a longest span of 2 ft (0.6 m).

Who owns Harmans Road over Tributary to Stony Run?

It is owned by the County Highway Agency.